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31420040414 = 2712911738411
BaseRepresentation
bin11101010000110001…
…111100010011011110
310000002201100102121112
4131100301330103132
51003322012243124
622233440302022
72161421636240
oct352061742336
9100081312545
1031420040414
1112363880454
12610a611912
132c6963c4b9
141740c96090
15c3d62b90e
hex750c7c4de

31420040414 has 16 divisors (see below), whose sum is σ = 53904679296. Its totient is φ = 13455293400.

The previous prime is 31420040413. The next prime is 31420040417. The reversal of 31420040414 is 41404002413.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 31420040414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31420040413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 851132 + ... + 887279.

It is an arithmetic number, because the mean of its divisors is an integer number (3369042456).

Almost surely, 231420040414 is an apocalyptic number.

31420040414 is a deficient number, since it is larger than the sum of its proper divisors (22484638882).

31420040414 is a wasteful number, since it uses less digits than its factorization.

31420040414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739711.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 31420040414 its reverse (41404002413), we get a palindrome (72824042827).

The spelling of 31420040414 in words is "thirty-one billion, four hundred twenty million, forty thousand, four hundred fourteen".

Divisors: 1 2 7 14 1291 2582 9037 18074 1738411 3476822 12168877 24337754 2244288601 4488577202 15710020207 31420040414